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• All our laptop batteries are brand new with new case and new cells, we have 1 year replacement warranty on these batteries. See more details at Battery Feature.
• Please check your original laptop battery's OEM part number which is printed on your battery label, laptop model number with our postings and picture before the purchase to make sure you get the correct battery.
• Upon initial use or after a long storage period, the laptop battery may need 3 - 4 cycles of charge / discharge before achieving full capacity.
• New battery is hard to hold charge sometimes, you may need remove the laptop battery from the device and reinsert it for several times to wake up dormant cells. Occasionally, BIOS updating is required to make the battery work normally on your device.
• See more battery tips at Battery Care and Battery FAQs.

This page is about HSTNN-UB1G 9-Cell 6600mAh Envy 17 Pavilion G32 G42 G56 G62 G72 dm4 dv3 dv5 dv4 dv6 dv7 g4 g6 g7 Replacement Extended Laptop Battery. The laptop battery is compatible to HP 586006-321, 586006-361, 586007-541, 586028-341, 588178-141, 593550-001, 593553-001, 593554-001, 593562-001, 636631-001, 640320-001, HSTNN-CB0W, HSTNN-CBOW, HSTNN-F01C, HSTNN-F02C, HSTNN-I78C, HSTNN-I79C, HSTNN-I81C, HSTNN-I83C, HSTNN-I84C, HSTNN-IB0N, HSTNN-IB0X, HSTNN-OB0X, HSTNN-IB1E, HSTNN-OB0X, HSTNN-OB0Y, HSTNN-Q47C, HSTNN-Q48C, HSTNN-Q49C, HSTNN-Q50C, HSTNN-Q51C, HSTNN-Q60C, HSTNN-Q61C, HSTNN-Q62C, HSTNN-Q63C, HSTNN-Q64C, HSTNN-UB0W, HSTNN-UB1G, HSTNN-YB0X, MU06, MU09, MU09XL, NBP6A174, NBP6A174B1, NBP6A175, NBP6A175B1, WD548AA, WD549AA. It works on HP 2000, 430, 431, 435, 630, 631, 635, 636 Notebook PC, Envy 17, 17t, Pavilion G32, G42, G42t, G56, G62, G62t, G72, G72t, dm4, dm4t, dv3, dv4, dv5, dv6, dv7, dv7t, g4, g4t, g6, g7, g7t laptop notebook computers.